Manufacturing method for resin composition containing fine paper powder
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United States of America Patent
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Sep 16, 2014
Grant Date -
Dec 27, 2012
app pub date -
Jan 31, 2012
filing date -
Jun 22, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A resin composition containing fine paper powder used in molding is obtained by using a non-intermeshing type counter-rotating twin-screw kneading extruder (10) having rotor units (11b, 12b) disposed in at least a part of screws (11, 12), respectively, to knead a raw material containing a fine paper powder of an average particle diameter of 10 to 100 μm from 20 to 70 parts by weight, and a thermoplastic resin from 30 to 80 parts by weight, with a sum of the fine paper powder and the thermoplastic resin being 100 parts by weight, at a temperature of no more than 210° C.
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International Classification(s)
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- B29B:PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE ....
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....
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